Combine sunflower seeds and salt in bowl of food processor. Process for 10-20 seconds until they form a fine powder. Add remaining ingredients onion through water and process again for 1-2 minutes, until super creamy. You will likely have to scrape down the sides once or twice. Set aside.
If desired, peel cucumber lightly in alternating rows, to create a pretty striped effect on outside. Slice into 1-1.5" pieces and set aside.
Spread a spoonful of "cheese" on top of each cucumber and place on plate or platter. Continue until done, sprinkle with chopped chives and sumac if desired, and enjoy!
4 large cucumbers
1 cup raw sunflower seeds
1/2 tsp salt
2 Tbsp raw red onion, chopped
1 large handful fresh chives, about 1/2 cup chopped, reserve about 2-3 Tbsp for sprinkling on top
1 clove fresh garlic, chopped
2 Tbsp nutritional yeast
2 Tbsp fresh lemon juice, or to taste
1/2 cup water, or more as needed to get to creamy consistency
Optional: sprinkling of sumac on top